“ DNA: MOLECULE OF HEREDITY “ 1960 ENCYCLOPEDIA BRITANNICA BIOLOGY / GENETICS FILM XD43904

Want to support this channel and help us preserve old films? Visit Visit our website This 1960 color educational film from Encyclopedia Britannica Films (Unit 5 in their biology program) serves as an introduction to DNA, covering its molecular structure and its role in human growth, reproduction, and the transmission of hereditary traits (TRT 15:34). Leader: “Central Washington State College.” Opening titles (0:06). A colorful model of a double helix encircles a transparent post. Pan to reveal our host, Dr. George Beadle of the California Institute of Technology in an office library setting. He addresses two youths in sweaters (0:35). Photomicrography of a single cell unfertilized human egg, and that of a sea urchin in comparison (1:35). The youths listen respectfully (2:11). The nucleus of an egg cell with titles overlaid: “Chromosomes” and “Genes” (2:33). Dr. Beadle produces a gray mouse from a glass tank, lifting it by its tail (3:01). A mouse s